Forged Flange 1.Material: Stainless Steel,Carbon Steel , ... API-605,etc..slip-on, welding neck, blind, threaded, lap-joint, etc.Class150,300,600,900,150021/ ... 2544, etcplate, slip-on, welding neck, blind, threaded etc.Class150,300,600,900,150041/2''-64''BS4504, PN16 ... etc.plate, slip-on, welding neck, blind, threaded etc.Class150,300,600,900,150051/2''-64''JIS 5K ... to contact us. DIN Standard Forged Flange